-*- mode: org; coding: utf-8; -*-

#+TITLE: Hacking GNU Guix and Its Incredible Distro

Copyright © 2012, 2013, 2014, 2016, 2017, 2019 Ludovic Courtès <ludo@gnu.org>
Copyright © 2015, 2017 Mathieu Lirzin <mthl@gnu.org>
Copyright © 2017 Leo Famulari <leo@famulari.name>
Copyright © 2017 Arun Isaac <arunisaac@systemreboot.net>

  Copying and distribution of this file, with or without modification,
  are permitted in any medium without royalty provided the copyright
  notice and this notice are preserved.

* Contributing

See the manual for useful hacking information, either by running

  info -f doc/guix.info "Contributing"

or by checking the [[https://guix.gnu.org/manual/devel/en/html_node/Contributing.html][web copy of the manual]].
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<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=5e8bccefeeecd7162f0dcc0a855477b68f7e3e5d'>refs</a><a class='active' href='/guix/log/gnu/tests.scm'>log</a><a href='/guix/tree/gnu/tests.scm?id=5e8bccefeeecd7162f0dcc0a855477b68f7e3e5d'>tree</a><a href='/guix/commit/gnu/tests.scm?id=5e8bccefeeecd7162f0dcc0a855477b68f7e3e5d'>commit</a><a href='/guix/diff/gnu/tests.scm?id=5e8bccefeeecd7162f0dcc0a855477b68f7e3e5d'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/tests.scm'>
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<div class='path'>path: <a href='/guix/log/?id=5e8bccefeeecd7162f0dcc0a855477b68f7e3e5d'>root</a>/<a href='/guix/log/gnu?id=5e8bccefeeecd7162f0dcc0a855477b68f7e3e5d'>gnu</a>/<a href='/guix/log/gnu/tests.scm?id=5e8bccefeeecd7162f0dcc0a855477b68f7e3e5d'>tests.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/tests.scm?id=5e8bccefeeecd7162f0dcc0a855477b68f7e3e5d&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-04-21 16:16:38 +0200'>2023-04-21</span></td><td><a href='/guix/commit/gnu/tests.scm?id=a09c7da8f8d8e732f969cf0a09aaa78f87032ab1'>tests: Fork and exec a new Guile for the marionette REPL.</a><span class='msg-avail'>...<span class='msg-tooltip'>By merely forking PID 1, details from PID 1 (shepherd) would leak into
the marionette process, such as the set of modules in scope and state
inherited from the shepherd process (&lt;service&gt; instances, fibers,
etc.).  Running a fresh Guile instance avoids that.

* gnu/tests.scm (marionette-program): New procedure.
(marionette-shepherd-service): Change 'start' to use
'make-forkexec-constructor', and run the result of 'marionette-program'.
</span></span></td><td>Ludovic Courtès</td></tr>